SKU: 44464436342

CSF Radiators BMW B58 Triple Pass Heat Exchanger For BMW M140i, M240i, 340i & 440i

$440.98 $489.98
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

CSF Radiators BMW B58 Triple Pass Heat Exchanger For BMW M140i, M240i, 340i & 440iUpgrade your BMW M140i, M240i, 340i, or 440i with the CSF Radiators BMW B58 Triple Pass Heat Exchanger. Designed for high performance cooling, this advanced heat exchanger features a triple pass design that maximizes cooling efficiency and reduces heat soak, ensuring optimal engine performance even under the most demanding conditions. Crafted from premium materials, the CSF heat exchanger offers superior durability and longevity. Its precise fit and

Upgrade your BMW M140i, M240i, 340i, or 440i with the CSF Radiators BMW B58 Triple Pass Heat Exchanger. Designed for high-performance cooling, this advanced heat exchanger features a triple-pass design that maximizes cooling efficiency and reduces heat soak, ensuring optimal engine performance even under the most demanding conditions. Crafted from premium materials, the CSF heat exchanger offers superior durability and longevity. Its precise fit and easy installation make it an ideal upgrade for enthusiasts looking to enhance their BMW's cooling system. Experience improved reliability and performance with the CSF Radiators BMW B58 Triple Pass Heat Exchanger.

Radiator Features

  • Core Size: 524mm Length x 478mm Height x 69mm Wide
  • 68mm 2-Row Core with CSF's B-Tube Technology (World's Largest 2-Row Core)
  • 6.5mm Multi-Louvered Fin Height
  • Triple-Pass Flow Design
  • Included Detachable Rock Guard
  • OEM CNC Machined Mounting Location Pins and Brackets
  • Direct Plug-and-Play Design, Including CNC Machined "Quick Connect" Inlet/Outlet Water Fittings
  • No Modifications Needed to Install
  • Semi-Gloss Black Finish
  • Replaces OEM Part Number: 17118741830

Vehicle Fitment

  • 2017-2021 BMW F22 230i - Turbocharged 2.0L L4
  • 2017-2021 BMW F23 230i - Turbocharged 2.0L L4
  • 2017-2021 BMW F22 230i xDrive - Turbocharged 2.0L L4
  • 2017-2021 BMW F23 230i xDrive - Turbocharged 2.0L L4
  • 2016-2018 BMW F30 330e - Turbocharged 2.0L L4
  • 2017-2018 BMW F30 330i - Turbocharged 2.0L L4
  • 2017-2018 BMW F34 330i GT xDrive - Turbocharged 2.0L L4
  • 2017-2018 BMW F30 330i xDrive - Turbocharged 2.0L L4
  • 2017-2019 BMW F31 330i xDrive - Turbocharged 2.0L L4
  • 2016-2018 BMW F30 340i - Turbocharged 3.0L L6
  • 2017-2019 BMW F34 340i GT xDrive - Turbocharged 3.0L L6
  • 2016-2018 BMW F30 340i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F32 430i - Turbocharged 2.0L L4
  • 2017-2020 BMW F33 430i - Turbocharged 2.0L L4
  • 2017-2020 BMW F32 430i xDrive - Turbocharged 2.0L L4
  • 2017-2020 BMW F33 430i xDrive - Turbocharged 2.0L L4
  • 2017-2020 BMW F36 430i xDrive Gran Coupe - Turbocharged 2.0L L4
  • 2017-2020 BMW F32 440i - Turbocharged 3.0L L6
  • 2017-2020 BMW F33 440i - Turbocharged 3.0L L6
  • 2017-2020 BMW F36 440i Gran Coupe - Turbocharged 3.0L L6
  • 2017-2020 BMW F32 440i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F33 440i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F36 440i xDrive Gran Coupe - Turbocharged 3.0L L6
  • 2017-2021 BMW F22 M240i - Turbocharged 3.0L L6
  • 2017-2021 BMW F23 M240i - Turbocharged 3.0L L6
  • 2017-2020 BMW F22 M240i xDrive - Turbocharged 3.0L L6
  • 2017-2020 BMW F23 M240i xDrive - Turbocharged 3.0L L6

Replaces OEM part numbers:

  • BMW: 17 11 8 741 830
  • BMW: 17-11-8-741-830
  • BMW: 17118741830
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 44464436342

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4.3 ★★★★★
Based on 1648 reviews
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Product Reviews
I
Verified Purchase
Isa Rincon
Port Orchard, US
★★★★★ 2
Base part of it
Color: Black
Even though I kept this it’s very uncomfortable because of the way the base works . They are very long at the bottom and it’s hard to open and close
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
M
Verified Purchase
MARIAH DANN
Grantham, US
★★★★★ 5
Great room separator
Color: Black
The panels are much longer than we expected! We only needed 3 of the 4 proivided. It's slightly flimsy, but holds together nicely. The screwdriver that came with did not fit the screws, but luckily we had a Phillips head. It's very lightweight. It is definitely a good value for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
T
Verified Purchase
Tink
Boise, US
★★★★★ 1
Never got to try it because it was broken
Color: Black
Came with a broken piece and is taking forever to get a refund…there wasn’t an option for a replacement
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
E
Verified Purchase
Estefani T
Alexandria, US
★★★★★ 3
Room divider
Color: Black, Color: Black
It was much simpler than anticipated. I don't think it's very sturdy and it lacks weight, but it's attractive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
A
Verified Purchase
April Zheng
Alexandria, US
★★★★★ 5
Great product
Color: Black
This is very sturdy and great quality. Its quite cheap for what your getting to it’s not cheap thin like plastic it feels thick and you could put a LITTLE weight on it it’s stable and protects your privacy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026

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